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. 2016 Aug 15;204(2):483–497. doi: 10.1534/genetics.116.189308

Table 9 .

Properties of sequential testing for six traits: proportions out of 1000 simulations with no β’s selected, proportions according to the number of true nonzero β’s selected, and proportions according to the number of zero β’s falsely selected

Marginal power β Explained variation (%) Trait correlation Probability no β’s selected No. true β’s selected No. β’s falsely selected
0 1 2 3 0 1 2 3
0.3 0.081 0.2 0.2 0.646 0.138 0.644 0.184 0.034 0.782 0.209 0.008 0.000
0.5 0.830 0.235 0.471 0.229 0.065 0.694 0.247 0.053 0.006
0.8 0.850 0.253 0.267 0.267 0.213 0.693 0.127 0.140 0.040
0.7 0.139 0.6 0.2 0.128 0.048 0.361 0.412 0.179 0.867 0.119 0.011 0.002
0.5 0.169 0.113 0.178 0.337 0.372 0.792 0.140 0.057 0.012
0.8 0.169 0.105 0.011 0.034 0.851 0.864 0.024 0.019 0.093
0.9 0.180 1.0 0.2 0.014 0.007 0.109 0.413 0.472 0.923 0.071 0.005 0.001
0.5 0.015 0.030 0.028 0.172 0.770 0.920 0.048 0.017 0.015
0.8 0.015 0.043 0.001 0.000 0.956 0.918 0.034 0.005 0.044

Marginal power is for detecting the effect of a single trait in a sample size of 1000 subjects (α=0.05), and the corresponding β and trait explained variation are provided.